All,
See one of the following links for an article in the May issue of Conformity
magazine. This article seems to answer some of the questions on magnetic
fields.
http://www.conformity.com/artman/publish/article_191.shtml
http://www.nxtbook.com/nxtbooks/conformity/0507/index.php?startpage=48
In message
0ed66cd2c9bd0a459d54fb9119a605675f5...@mailserver.lecotc.com, dated
Fri, 11 May 2007, Kunde, Brian brian_ku...@lecotc.com writes:
The study had credibility because the kid's father was a heart doctor,
but neither one is an EMC engineer. I think they had the wrong
expertise involved
In message 000e01c793fe$cb4aed50$d600a...@tamuracorp.com, dated Fri,
11 May 2007, Brian O'Connell oconne...@tamuracorp.com writes:
But the basis of the problem posed by the OP is the std's use of terms
outside of what is taught in school. The OP wanted to know how to
implement the test, and
Go to the flow chart on page 6, (just the first link I ran across)
http://www.fr.com/practice/pdf/usfda.pdf
And this is how manufacturers get a new product out the door
substantially equivalent to a previous substantial equivalent to a
previous substantial equivalent ...
It takes a 17yo to
This Tuesday, May 15 is our annual Chicago Chapter IEEE EMC Mini-Symposium.
Held at the Holiday Inn, Itasca, here is the link for the detailed information.
http://.emcchicago.org
or
http://www.ewh.ieee.org/soc/emcs/chicago/
Sincerely,
Frank Krozel
Chairman,
2007 IEEE EMC
As usual, Mr. Woodgate makes all good points, and it is obvious that I
probably degraded the conversation to counting the number of heavenly
creatures waltzing on the head of a pin.
But the basis of the problem posed by the OP is the std's use of terms
outside of what is taught in school. The OP
You are invited to the Northeast Product Safety Society’s 19th annual
membership dinner at the Holiday Inn, Marlborough MA featuring Kent
Pengelly, CSA Manager of Special Investigations, will discuss
Manufacturing in Emerging Economies - Product Safety Concerns. Mr.
Pengelly will provide an
Or, to re-state the title;
pacemakers susceptable to interference that can cause malfunctions
And why re-state the title? Recall the many recalls of pacemakers and such
in recent times.
Tarver, Peter peter.tar...@sanmina-sci.com wrote:
This is a study, rather than an incident report. Hysteria
In message 000b01c793f0$145afd50$d600a...@tamuracorp.com, dated Fri,
11 May 2007, Brian O'Connell oconne...@tamuracorp.com writes:
It can be assumed that this std is attempting 'flicker' noise, the
common term for electrical 1/f noise.
No, it's attempting to simulate audio programme signals.
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of John
Woodgate
Sent: Friday, May 11, 2007 8:31 AM
To: emc-p...@ieee.org
Subject: Re: What to use for a IEC 60065 standard signal (pink noise)
described in 4.1.6
I have some problems with this std's
Hello Don,
At one time it was my responsibility to track, analyze and communicate
all the product regulations affecting my company's products. At the
time, we had a worldwide network of regulatory folks who were critical
to making that possible.
What I have learned, however, is that you can
In message 000501c793dd$cf153ec0$d600a...@tamuracorp.com, dated Fri,
11 May 2007, Brian O'Connell oconne...@tamuracorp.com writes:
The band-pass response required by fig C.1 should be relatively simple
by use of a 'window' on the frequency-domained data.
I don't think that is the optimum
This is a study, rather than an incident report. Hysteria (like the
cell phone fire a few weeks back) or reality? The occupations of
parents of the study creator (especially the father) and the lead author
lend credibility. That the study was performed on implanted pacemakers
made me uneasy,
The band-pass response required by fig C.1 should be relatively simple by
use of a 'window' on the frequency-domained data.
I have some problems with this std's concept of pink noise. The std specs
a crest factor = 3, but the concept of crest factor for pink noise does
not make sense because of
We recently had an inquiry from a customer with a pacemaker who wanted
to know if sitting to close to one of our speakers would affect his
pacemaker so I did some research and found that strong magnetic fields
can indeed impact the performance of some pacemakers.
Here is a response I received
To Those Who are Interested in:
China plans to promulgate a guideline document for the environment-friendly
use period (EFUP). The guideline gives several methods for manufacturers to
determine the EFUP. Annex A of the guideline recommends EFUP for certain
types of products. I list below for
In message 6b8f1229ffbdca47ba5c9712c46f18df086...@xchg.ms.msli.com,
dated Thu, 10 May 2007, Chuck McDowell chu...@meyersound.com writes:
I am seeking help with a recommendation on what to buy and used for the
IEC 60065 Seventh edition standard audio signal (pink noise) described
in 4.1.6,
In message
051020072244.3314.4643A053000DEB7A0CF22200760180CECE020A900A02@comca
st.net, dated Thu, 10 May 2007, neve...@comcast.net writes:
I do not intend to enter into a situation in which you request that I
prove everything I write,
I don't think GG did that; he asked for SOME hard
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